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/*
* $Id: graph_export_bitmap.c 24412 2021-10-22 15:47:51Z yeti-dn $
* Copyright (C) 2006-2021 David Necas (Yeti), Petr Klapetek.
* E-mail: yeti@gwyddion.net, klapetek@gwyddion.net.
*
* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include <libgwyddion/gwymacros.h>
#include <libgwydgets/gwygraphmodel.h>
#include <libgwydgets/gwystock.h>
#include <libgwymodule/gwymodule-graph.h>
#include <app/gwyapp.h>
static gboolean module_register(void);
static void export (GwyGraph *graph);
static GwyModuleInfo module_info = {
GWY_MODULE_ABI_VERSION,
&module_register,
N_("Export graph into bitmap"),
"Petr Klapetek <klapetek@gwyddion.net>",
"2.0",
"David Nečas (Yeti) & Petr Klapetek",
"2006",
};
GWY_MODULE_QUERY2(module_info, graph_export_bitmap)
static gboolean
module_register(void)
{
gwy_graph_func_register("graph_export_bitmap",
(GwyGraphFunc)&export,
N_("/_Export/_Bitmap"),
GWY_STOCK_GRAPH_EXPORT_PNG,
GWY_MENU_FLAG_GRAPH_CURVE,
N_("Export graph to a raster image"));
return TRUE;
}
static void
export(GwyGraph *graph)
{
GtkWidget *dialog;
GdkPixbuf *pixbuf;
gchar *filename = NULL;
GError *error = NULL;
const gchar *ext, *format = "png";
dialog = gtk_file_chooser_dialog_new(_("Export to PNG"), NULL, GTK_FILE_CHOOSER_ACTION_SAVE,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_SAVE, GTK_RESPONSE_OK,
NULL);
gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_OK);
gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), gwy_app_get_current_directory());
if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_OK && gwy_app_file_confirm_overwrite(dialog)) {
filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
pixbuf = gwy_graph_export_pixmap(graph, TRUE, TRUE, TRUE);
if ((ext = strrchr(filename, '.'))) {
ext++;
if (gwy_stramong(ext, "jpeg", "jpg", "jpe", NULL))
format = "jpeg";
else if (gwy_stramong(ext, "tiff", "tif", NULL))
format = "tiff";
else if (gwy_stramong(ext, "bmp", NULL))
format = "bmp";
}
gdk_pixbuf_save(pixbuf, filename, format, &error, NULL);
g_object_unref(pixbuf);
}
gtk_widget_destroy(dialog);
if (error) {
dialog = gtk_message_dialog_new(NULL, 0, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
_("Saving of `%s' failed"), filename);
gtk_message_dialog_format_secondary_text(GTK_MESSAGE_DIALOG(dialog),
_("Cannot write to file: %s."), error->message);
gtk_widget_show_all(dialog);
gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
g_clear_error(&error);
}
g_free(filename);
}
/* vim: set cin columns=120 tw=118 et ts=4 sw=4 cino=>1s,e0,n0,f0,{0,}0,^0,\:1s,=0,g1s,h0,t0,+1s,c3,(0,u0 : */
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